Hot pressed permanent magnet having high and low coercivity...

Details Hot pressed permanent magnet having high and low coercivity... Hot pressed permanent magnet having high and low coercivity...

H - Electricity

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H01F 1/08 (2006.01) H01F 1/057 (2006.01) H01F 1/22 (2006.01) H01F 41/02 (2006.01) H02K 15/02 (2006.01) H02K 23/04 (2006.01)

Patent

CA 1244322

HOT PRESSED PERMANENT MAGNET HAVING HIGH AND LOW COERCIVITY REGIONS Abstract of the Disclosure In accordance with a preferred embodiment, an arcuate magnet is formed by selectively hot working a composition including iron, neodymium and/or praseo- dymium, and boron such that an edge of the arcuate has greater apparent coercivity than a central region and the central region has a higher remanence than the edge.

486721

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